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Haynes and Boone

Patricia C. Mastropierro

Patricia C. Mastropierro



  • Aviation
  • Cuba
  • International
  • Latin America and the Caribbean

WSG Practice Industries


Haynes and Boone
Texas, U.S.A.

Patricia Mastropierro is a member of the International Practice Group at Haynes and Boone. She has significant experience in international aviation matters. She has advised airlines in a broad range of international legal matters, including setting up and maintaining operations abroad, obtaining applicable permits, airport authorizations and slots in foreign jurisdictions, among others. For several years, she has represented one of the biggest U.S. airlines and its regional airlines in more than 35 jurisdictions worldwide. Patricia has worked for more than 15 years on their international projects, including in the areas of commercial transactions and regulatory, aviation and litigation matters.

Bar Admissions

Argentina; Texas


LL.M., Southern Methodist University, 2001
J.D. Universidad Catolica Argentina, Buenos Aires, 1996, with honors
Areas of Practice

Aviation | Cuba | International | Latin America and the Caribbean

Professional Career

Significant Accomplishments

Representation of numerous Argentine companies in corporate and commercial matters.
Representation of many foreign investors setting up their companies in Argentina.
Representation of a global supplier of coatings, glass and chemicals, in the merger of its Argentine companies.
Representation of a Chilean chemical company in its Argentine joint venture with its U.S. partner.
Representation of a large multinational information technology company in numerous licensing transactions in Latin America (including but not limited to Chile and Peru).
Representation of a large U.S. technology company in Argentine bankruptcy issues.
Representation of a large U.S. airline in its commercial litigation throughout Latin America (more than 35 countries).
Representation of a U.S. airline in its purchase of an Argentine airline (including complete multi-jurisdictional due diligence effort) in a transaction valued at more than US$25 million.
Representation of a U.S. airline in a $300 million restructuring of its Argentine investment.
Representation of a U.S. public company in the acquisition and servicing of distressed loan portfolios in Mexico and Latin America.
Representation of a U.S. company in the sale of its downstream businesses in Central America.

Professional Associations

Argentinean Bar Association


Haynes and Boone Blogs
Haynes and Boone 

Haynes and Boone Blogs includes the Firm Blog, IP Beacon: Patent Law Review, Practical Benefits Lawyer, Texas Insurance Academy and The Dec Sheet-Insurance Law

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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